Re: [PATCH v2 2/2] i2c: designware: Add support for a bus clock

[Wolfram Sang]

> -	if (prepare)
> +	if (prepare) {
> +		/* Optional bus clock */
> +		ret = clk_prepare_enable(dev->busclk);
> +		if (ret)
> +			return ret;
> +
>  		return clk_prepare_enable(dev->clk);

This leaves 'busclk' enabled when the other clock fails.

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